K 10
svn:author
V 7
asomers
K 8
svn:date
V 27
2019-07-30T19:34:39.237955Z
K 7
svn:log
V 419
Add a CXXWARNFLAGS variable

Some warning flags are valid for C++ but not C. GCC 8 complains if you pass
such flags when building a C file. Using a separate variable for these
flags allows building both C and C++ files in the same directory (such as
the fusefs tests) under GCC.

Reviewed by:	cem, emaste
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D21116

END